Border radius generator
Shape all four corners with live CSS previews and pixel or percentage radii.
How it works & useful details
How to use this tool
Choose a shape preset or adjust each corner. Switch units to compare fixed and proportional corners.
Supported values and limitations
Exports four CSS radii in top-left, top-right, bottom-right, bottom-left order. Pixel values range from 0 to 200; percentages from 0 to 100. Browsers scale down overlapping radii, and percentage results depend on the target element’s dimensions.
